Part of the Cornerstones Love to Investigate series, How does toothpaste protect teeth? is a science investigation in which children observe the effect of fluorinated toothpaste on the irreversible chemical reaction of calcium carbonate (eggshell) in acetic acid (vinegar).
Format: 4 page A4 booklet
Programmes of study: Animals, including humans; Working scientifically
Investigation type: Comparative or fair test
Related Curriculum Project: Burps, bottoms and bile
Delivery: 3-5 working days